Extreme rain in United States, 26 February to 2 March 2023

Name: Extreme rain in United States, 26 February to 2 March 2023
Start: 2023-02-26
End: 2023-03-02
Location: United States

Extreme rain in United States, 26 February to 2 March 2023: 313 records at 306 stations, peak on 27 February 2023. Closed.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Key Facts

Extreme rain in United States, 26 February to 2 March 2023 set or tied 313 station records at 306 stations.
It ran from 26 February 2023 to 2 March 2023 (5 days) and its peak day was 27 February 2023.
Status: closed.
Ft Dodge 5NNW set a daily record precipitation of 25.9 mm (1.0 in) on 27 February 2023.
The busiest day was 27 February 2023 with 179 records.
The oldest broken record in the ranked list had stood for 129 years.

Footprint

26 February to 2 March 2023

The area covered by Extreme rain in United States, 26 February to 2 March 2023 is outlined, with 20 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Extreme rain in United States, 26 February to 2 March 2023: stations that set records in the event
Station	Type	Value	Date
Ft Dodge 5NNW	Record daily precipitation	25.9 mm (1.0 in)	2023-02-27
Iowa City	Record daily precipitation	38.1 mm (1.5 in)	2023-02-27
Clarinda	Record daily precipitation	31.0 mm (1.2 in)	2023-02-27
Horton	Record daily precipitation	59.2 mm (2.3 in)	2023-02-27
Appleton	Record daily precipitation	34.8 mm (1.4 in)	2023-02-28
Maryville 2E	Record daily precipitation	44.5 mm (1.8 in)	2023-02-27
Atchison	Record daily precipitation	35.3 mm (1.4 in)	2023-02-27
Germantown Wastewater Utility	Record daily precipitation	32.3 mm (1.3 in)	2023-02-28
Hampton	Record daily precipitation	29.0 mm (1.1 in)	2023-02-27
Marshalltown	Record daily precipitation	25.9 mm (1.0 in)	2023-02-27
Eskridge	Record daily precipitation	39.4 mm (1.6 in)	2023-02-27
Brillion	Record daily precipitation	39.4 mm (1.6 in)	2023-02-28
Bushong 5 W	Record daily precipitation	36.1 mm (1.4 in)	2023-02-27
Adrian 2 NNE	Record daily precipitation	40.1 mm (1.6 in)	2023-02-27
Ames 8 WSW	Record daily precipitation	37.8 mm (1.5 in)	2023-02-27
Mt Ayr	Record daily precipitation	32.3 mm (1.3 in)	2023-02-27
Charlotte	Record daily precipitation	29.7 mm (1.2 in)	2023-02-28
Rockwell City	Record daily precipitation	24.9 mm (1.0 in)	2023-02-27
Peshtigo	Record daily precipitation	22.9 mm (0.9 in)	2023-02-28
Jamestown State Hosp	Record daily precipitation	20.3 mm (0.8 in)	2023-03-01

Records per Day

Peak day 179

Records set or tied each day from 26 February 2023 to 2 March 2023. The most in one day was 179 on 27 February 2023.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in United States, 26 February to 2 March 2023 ranked by margin
Horton, 02-27	35.6 mm (1.4 in)
Ames 8 WSW, 02-27	34.0 mm (1.3 in)
Bushong 5 W, 02-27	29.7 mm (1.2 in)
Maryville 2E, 02-27	27.5 mm (1.1 in)
Appleton, 02-28	25.7 mm (1.0 in)
Eskridge, 02-27	25.4 mm (1.0 in)
Iowa City, 02-27	22.9 mm (0.9 in)
Clarinda, 02-27	22.6 mm (0.9 in)
Brillion, 02-28	21.1 mm (0.8 in)
Adrian 2 NNE, 02-27	19.3 mm (0.8 in)
Mt Ayr, 02-27	18.8 mm (0.7 in)
Ft Dodge 5NNW, 02-27	18.3 mm (0.7 in)
Atchison, 02-27	17.5 mm (0.7 in)
Germantown Wastewater Utility, 02-28	17.1 mm (0.7 in)
Charlotte, 02-28	15.7 mm (0.6 in)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

313 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.

Margin against age of the broken record in Extreme rain in United States, 26 February to 2 March 2023
Margin (mm)	Years the old record stood
18	120
23	129
23	108
36	75
26	72
28	64
18	122
17	75
14	120
12	117
12	120
25	64
21	41
30	56
19	75
16	72
34	41
19	64
16	72
10	114
27	24
29	39
10	122
13	75
14	75
9	129
15	75
18	64
13	72
37	24
16	68
25	24
14	75
7	129
10	63
21	24
16	64
10	127
6	120
5	120
7	92
18	68
20	25
25	9
16	64
28	25
23	9
5	129
9	84
26	27
6	120
5	117
20	56
22	9
6	104
15	36
9	75
18	56
11	73
13	64
11	50
18	25
8	75
10	75
11	68
9	75
13	64
2	121
4	114
2	104
3	120
2	129
13	64
3	116
9	72
7	75
7	75
6	75
14	60
7	84
23	12
5	72
4	84
6	75
17	27
1	116
5	75
12	24
5	52
16	13
2	90
13	41
6	73
15	41
17	39
15	28
21	13
20	28
16	28
3	84
14	24
5	75
15	27
12	41
5	75
4	50
6	64
20	27
10	24
8	72
8	56
14	9
4	42
17	27
13	24
4	75
12	13
3	75
16	36
11	18
3	75
7	68
7	60
6	20
7	64
6	64
4	75
4	75
10	24
12	39
6	44
4	69
14	9
2	72
6	64
17	27
2	75
3	73
13	13
4	53
8	46
5	64
5	60
0	75
3	72
27	25
4	64
6	56
5	64
9	27
6	46
16	31
4	57
1	76
3	68
1	64
3	61
6	43
11	24
8	24
8	36
5	41
2	64
10	13
15	25
14	36
5	56
15	13
5	56
3	60
7	24
7	36
10	24
19	12
9	36
0	64
0	68
3	57
2	60
5	41
7	13
11	13
13	9
9	24
15	36
8	25
9	21
6	24
17	20
1	60
5	36
2	32
17	25
0	56
1	46
11	13
8	9
6	24
11	13
5	24

Compared With Other Events

Station records per event

Station records in Extreme rain in United States, 26 February to 2 March 2023 compared with similar events
Extreme rain in United States and Mexico, 23 February to 15 March 2019	2,223 records
Extreme rain in United States, 3 to 19 January 2024	2,133 records
Extreme rain in Australia, 7 to 26 March 2021	2,099 records
Extreme rain in United States and Mexico, 29 September to 19 October 2018	1,970 records
Extreme rain in United States, 19 December 2022 to 13 January 2023	1,941 records
Extreme rain in United States, 26 February to 2 March 2023 (this event)	313 records

Every Record Set

20 of 313

Every record set or tied during Extreme rain in United States, 26 February to 2 March 2023, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2023-02-27	Ft Dodge 5NNW	Record daily precipitation	25.9 mm (1.0 in)	18.3 mm (0.7 in)	120	75 of 100 (Major)
2023-02-27	Iowa City	Record daily precipitation	38.1 mm (1.5 in)	22.9 mm (0.9 in)	129	75 of 100 (Major)
2023-02-27	Clarinda	Record daily precipitation	31.0 mm (1.2 in)	22.6 mm (0.9 in)	108	74 of 100 (Major)
2023-02-27	Horton	Record daily precipitation	59.2 mm (2.3 in)	35.6 mm (1.4 in)	75	72 of 100 (Major)
2023-02-27	Maryville 2E	Record daily precipitation	44.5 mm (1.8 in)	27.5 mm (1.1 in)	64	66 of 100 (Major)
2023-02-27	Atchison	Record daily precipitation	35.3 mm (1.4 in)	17.5 mm (0.7 in)	122	65 of 100 (Major)
2023-02-27	Hampton	Record daily precipitation	29.0 mm (1.1 in)	14.3 mm (0.6 in)	120	61 of 100 (Major)
2023-02-27	Marshalltown	Record daily precipitation	25.9 mm (1.0 in)	12.2 mm (0.5 in)	117	61 of 100 (Major)
2023-02-27	Eskridge	Record daily precipitation	39.4 mm (1.6 in)	25.4 mm (1.0 in)	64	60 of 100 (Major)
2023-02-27	Bushong 5 W	Record daily precipitation	36.1 mm (1.4 in)	29.7 mm (1.2 in)	56	59 of 100 (Notable)
2023-02-27	Adrian 2 NNE	Record daily precipitation	40.1 mm (1.6 in)	19.3 mm (0.8 in)	75	59 of 100 (Notable)
2023-02-27	Ames 8 WSW	Record daily precipitation	37.8 mm (1.5 in)	34.0 mm (1.3 in)	41	58 of 100 (Notable)
2023-02-27	Mt Ayr	Record daily precipitation	32.3 mm (1.3 in)	18.8 mm (0.7 in)	64	58 of 100 (Notable)
2023-02-27	Rockwell City	Record daily precipitation	24.9 mm (1.0 in)	12.2 mm (0.5 in)	120	20 of 100 (Routine)
2023-02-28	Appleton	Record daily precipitation	34.8 mm (1.4 in)	25.7 mm (1.0 in)	72	71 of 100 (Major)
2023-02-28	Germantown Wastewater Utility	Record daily precipitation	32.3 mm (1.3 in)	17.1 mm (0.7 in)	75	63 of 100 (Major)
2023-02-28	Brillion	Record daily precipitation	39.4 mm (1.6 in)	21.1 mm (0.8 in)	41	60 of 100 (Major)
2023-02-28	Charlotte	Record daily precipitation	29.7 mm (1.2 in)	15.7 mm (0.6 in)	72	58 of 100 (Notable)
2023-02-28	Peshtigo	Record daily precipitation	22.9 mm (0.9 in)	15.5 mm (0.6 in)	72	20 of 100 (Routine)
2023-03-01	Jamestown State Hosp	Record daily precipitation	20.3 mm (0.8 in)	10.1 mm (0.4 in)	114	20 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 313 records the event counts. The counts above use the full total.

Related Headlines

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Download the Data

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.

Date	Records
2023-02-26	11
2023-02-27	179
2023-02-28	91
2023-03-01	28
2023-03-02	4

Margin (mm)	Years the old record stood
18	120
23	129
23	108
36	75
26	72
28	64
18	122
17	75
14	120
12	117
12	120
25	64
21	41
30	56
19	75
16	72
34	41
19	64
16	72
10	114
27	24
29	39
10	122
13	75
14	75
9	129
15	75
18	64
13	72
37	24
16	68
25	24
14	75
7	129
10	63
21	24
16	64
10	127
6	120
5	120
7	92
18	68
20	25
25	9
16	64
28	25
23	9
5	129
9	84
26	27
6	120
5	117
20	56
22	9
6	104
15	36
9	75
18	56
11	73
13	64
11	50
18	25
8	75
10	75
11	68
9	75
13	64
2	121
4	114
2	104
3	120
2	129
13	64
3	116
9	72
7	75
7	75
6	75
14	60
7	84
23	12
5	72
4	84
6	75
17	27
1	116
5	75
12	24
5	52
16	13
2	90
13	41
6	73
15	41
17	39
15	28
21	13
20	28
16	28
3	84
14	24
5	75
15	27
12	41
5	75
4	50
6	64
20	27
10	24
8	72
8	56
14	9
4	42
17	27
13	24
4	75
12	13
3	75
16	36
11	18
3	75
7	68
7	60
6	20
7	64
6	64
4	75
4	75
10	24
12	39
6	44
4	69
14	9
2	72
6	64
17	27
2	75
3	73
13	13
4	53
8	46
5	64
5	60
0	75
3	72
27	25
4	64
6	56
5	64
9	27
6	46
16	31
4	57
1	76
3	68
1	64
3	61
6	43
11	24
8	24
8	36
5	41
2	64
10	13
15	25
14	36
5	56
15	13
5	56
3	60
7	24
7	36
10	24
19	12
9	36
0	64
0	68
3	57
2	60
5	41
7	13
11	13
13	9
9	24
15	36
8	25
9	21
6	24
17	20
1	60
5	36
2	32
17	25
0	56
1	46
11	13
8	9
6	24
11	13
5	24

Margin (mm)	Years the old record stood
18	120
23	129
23	108
36	75
26	72
28	64
18	122
17	75
14	120
12	117
12	120
25	64
21	41
30	56
19	75
16	72
34	41
19	64
16	72
10	114
27	24
29	39
10	122
13	75
14	75
9	129
15	75
18	64
13	72
37	24
16	68
25	24
14	75
7	129
10	63
21	24
16	64
10	127
6	120
5	120
7	92
18	68
20	25
25	9
16	64
28	25
23	9
5	129
9	84
26	27
6	120
5	117
20	56
22	9
6	104
15	36
9	75
18	56
11	73
13	64
11	50
18	25
8	75
10	75
11	68
9	75
13	64
2	121
4	114
2	104
3	120
2	129
13	64
3	116
9	72
7	75
7	75
6	75
14	60
7	84
23	12
5	72
4	84
6	75
17	27
1	116
5	75
12	24
5	52
16	13
2	90
13	41
6	73
15	41
17	39
15	28
21	13
20	28
16	28
3	84
14	24
5	75
15	27
12	41
5	75
4	50
6	64
20	27
10	24
8	72
8	56
14	9
4	42
17	27
13	24
4	75
12	13
3	75
16	36
11	18
3	75
7	68
7	60
6	20
7	64
6	64
4	75
4	75
10	24
12	39
6	44
4	69
14	9
2	72
6	64
17	27
2	75
3	73
13	13
4	53
8	46
5	64
5	60
0	75
3	72
27	25
4	64
6	56
5	64
9	27
6	46
16	31
4	57
1	76
3	68
1	64
3	61
6	43
11	24
8	24
8	36
5	41
2	64
10	13
15	25
14	36
5	56
15	13
5	56
3	60
7	24
7	36
10	24
19	12
9	36
0	64
0	68
3	57
2	60
5	41
7	13
11	13
13	9
9	24
15	36
8	25
9	21
6	24
17	20
1	60
5	36
2	32
17	25
0	56
1	46
11	13
8	9
6	24
11	13
5	24

Margin (mm)	Years the old record stood
18	120
23	129
23	108
36	75
26	72
28	64
18	122
17	75
14	120
12	117
12	120
25	64
21	41
30	56
19	75
16	72
34	41
19	64
16	72
10	114
27	24
29	39
10	122
13	75
14	75
9	129
15	75
18	64
13	72
37	24
16	68
25	24
14	75
7	129
10	63
21	24
16	64
10	127
6	120
5	120
7	92
18	68
20	25
25	9
16	64
28	25
23	9
5	129
9	84
26	27
6	120
5	117
20	56
22	9
6	104
15	36
9	75
18	56
11	73
13	64
11	50
18	25
8	75
10	75
11	68
9	75
13	64
2	121
4	114
2	104
3	120
2	129
13	64
3	116
9	72
7	75
7	75
6	75
14	60
7	84
23	12
5	72
4	84
6	75
17	27
1	116
5	75
12	24
5	52
16	13
2	90
13	41
6	73
15	41
17	39
15	28
21	13
20	28
16	28
3	84
14	24
5	75
15	27
12	41
5	75
4	50
6	64
20	27
10	24
8	72
8	56
14	9
4	42
17	27
13	24
4	75
12	13
3	75
16	36
11	18
3	75
7	68
7	60
6	20
7	64
6	64
4	75
4	75
10	24
12	39
6	44
4	69
14	9
2	72
6	64
17	27
2	75
3	73
13	13
4	53
8	46
5	64
5	60
0	75
3	72
27	25
4	64
6	56
5	64
9	27
6	46
16	31
4	57
1	76
3	68
1	64
3	61
6	43
11	24
8	24
8	36
5	41
2	64
10	13
15	25
14	36
5	56
15	13
5	56
3	60
7	24
7	36
10	24
19	12
9	36
0	64
0	68
3	57
2	60
5	41
7	13
11	13
13	9
9	24
15	36
8	25
9	21
6	24
17	20
1	60
5	36
2	32
17	25
0	56
1	46
11	13
8	9
6	24
11	13
5	24